Cassandra 2.1错误 - 泄漏检测

Question

我昨天从Datastax Enterprise 4.5.1升级到4.7.3.现在我在system.log中看到了这个ERROR的几个实例.我认为这是在"nodetool修复"期间发生的.

ERROR [Reference-Reaper:1] 2015-10-02 18:13:02,747 Ref.java:179 - LEAK DETECTED: a reference (org.apache.cassandra.utils.concurrent.Ref$State@312122cd) to class org.apache.cassandra.io.sstable.SSTableReader$InstanceTidier@1310889366:/data/lib/cassandra/data/reporting/summaries/snapshots/d7c61b70-6921-11e5-9215-6dd40f18e7fa/summaries-ka-1196 was not released before the reference was garbage collected

我应该在哪里开始排除此错误？

[cqlsh 5.0.1 | Cassandra 2.1.8.689 | DSE 4.7.3 | CQL spec 3.2.0 | Native protocol v3]

Answer 1

什么都没有排除故障.这是一个无害的问题,泄漏检测仪解决了这个问题.下次升级时,泄漏本身将由https://issues.apache.org/jira/browse/CASSANDRA-9998修复.